LG-Nortel GDC-400H User manual

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The purpose of this manual is to give a user the right way to use a GDC-400H wireless
terminal and its accessories. This manual lists the matters that a user has to avoid for right
use and explains the features of the wireless terminal as a terminal of ipLDK-
24/100/300/300E systems. The features which are explained in this manual describe the
user-interface for ipLDK series DECT key system of local sale. Also it illustrates the
specifications of the terminal and its accessories. The wireless terminal, GDC-400H (GAP),
is designed and manufactured for interface with ipLDK series DECT key system and LG-
Nortel doesn’t guarantee inter-operability between any other GAP system and GDC-400H
(GAP). Please, refer to ‘ipLDK System Installation Manual’about applicable peripheral items.

Table of Contents
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Ⅰ .UNPACKING...................................................................................................... 14
Ⅱ .PHONE OVERVIEW .......................................................................................... 15
2.1 FRONT AND BACK VIEW OF HANDSET ............................................................ 15
2.2 DESCRIPTION OF BUTTON................................................................................. 16
2.3 LCD DISPLAY......................................................................................................... 18
2.4 MESSAGE DISPLAY.............................................................................................. 19
2.5 FRONT AND BACK VIEW OF BASE UNIT .......................................................... 20
Ⅲ .SETTING UP ...................................................................................................... 21
3.1 INSTALLING THE BATTERY ................................................................................ 21
3.2 PUT THE BELT CLIP INTO HANDSET ................................................................ 21
3.3 CONNECTING THE CHARGER ........................................................................... 22
3.4 CHARGING THE HANDSET ................................................................................. 22
3.5 WIRELESS TERMINAL(GDC-400H)..................................................................... 23
Ⅳ .BASIC FUNCTIONS .......................................................................................... 24
4.1 MAKING A CALL .................................................................................................... 24
4.1.1 EXTERNAL MAKING A CALL ............................................................................ 24
4.2 PRE-DIALING CALL............................................................................................... 24
4.2.1 NORMAL DIALING ......................................................................................... 24
4.2.2 LOCAL REDIALING........................................................................................ 24
4.2.3 LOCAL SPEED DIALING ............................................................................... 24
4.2.4 DIALING FROM PHONEBOOK.......................................................................... 24
4.3 PLACING AN OUTSIDE CALL .............................................................................. 25
4.3.1 PRE DIAL ........................................................................................................ 25
4.3.2 POST DIAL...................................................................................................... 26
4.3.3 CALL RELEASE.............................................................................................. 26
4.3.4 ASSIGN CO LINE/CO LINE GROUP ............................................................ 26
4.4 ANSWERING A CALL............................................................................................ 27
4.4.1 ANSWERING A EXTERNAL CALL ............................................................... 27
4.4.2 ANSWERING A INTERNAL CALL................................................................. 27
4.4.3 IGNORING A CALL ........................................................................................ 27
4.5 CALL TRANSFER .................................................................................................. 27
4.5.1 SCREENED TRANSFER ............................................................................... 27
4.5.2 UNSCREENED TRANSFER.......................................................................... 28
4.5.3 ANSWERING SCREENED TRANSFER....................................................... 28
4.5.4 EXECUTIVE/SECRETARY TRANSFER....................................................... 28
4.6 PLACING A CO CALL ON HOLD.......................................................................... 28
4.6.1 TO RETRIEVE THE CALL ............................................................................. 28
4.6.2 TO MAKE ANOTHER CALL........................................................................... 28
4.7 FLASH ..................................................................................................................... 29
4.8 GO TO DTMF FUNCTION ..................................................................................... 29
4.9 ADJUST EARPIECE VOLUME.............................................................................. 29
4.10 MICROPHONE MUTING ..................................................................................... 29
4.11 ADJUST RINGER VOLUME................................................................................ 30
4.12 HANDSET POWER ON POWER OFF ............................................................... 30
Ⅴ .PHONEBOOK.................................................................................................... 31
5.1 PHONEBOOK MENU............................................................................................. 31
5.1.1 FIND................................................................................................................. 31
5.1.2 ADD ENTRY.................................................................................................... 31
5.1.3 MODIFY........................................................................................................... 32
5.1.4 DELETE........................................................................................................... 34

Table of Contents
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5.2 FIND PHONEBOOK DIRECT MENU.................................................................... 34
Ⅵ .PROGRAMMING FEATURES .......................................................................... 35
6.1 CALL REGISTER ................................................................................................... 35
6.1.1 MISSED CALL................................................................................................. 35
6.1.2 RECEIVED CALL............................................................................................ 36
6.1.3 DIALED CALL ................................................................................................. 36
6.1.4 DELETE CALL ................................................................................................ 36
6.2 IMAGE & SOUND................................................................................................... 37
6.2.1 IMAGES........................................................................................................... 37
6.2.2 SOUNDS ......................................................................................................... 37
6.3 PHONE REGISTER ............................................................................................... 38
6.3.1 SUBSCRIPTION ............................................................................................. 38
6.3.2 BASE CHOICE................................................................................................ 39
6.3.3 MODIFY PIN.................................................................................................... 39
6.3.4 BASE ID........................................................................................................... 39
6.3.5 RESET............................................................................................................. 39
6.4 APPOINTMENT...................................................................................................... 40
6.4.1 MODIFY DATE................................................................................................ 40
6.4.2 MODIFY TEXT ................................................................................................ 41
6.4.3 DELETE........................................................................................................... 41
6.4.4 VIEW TEXT ..................................................................................................... 41
6.5 PHONE SETTINGS................................................................................................ 41
6.5.1 CLOCK ............................................................................................................ 41
6.5.2 ALARM CLOCK .............................................................................................. 42
6.5.3 KEYPAD TONES ............................................................................................ 42
6.5.4 DISPLAY.......................................................................................................... 42
6.5.5 LANGUAGE .................................................................................................... 42
6.5.6 SILENT MODE................................................................................................ 42
6.5.7 KEYPAD LOCK............................................................................................... 43
6.5.8 S/W VERSION ................................................................................................ 43
6.5.9 EDIT CO CODE .............................................................................................. 43
6.6 DIRECT CALL......................................................................................................... 43
Ⅶ .KEY SYSTEM FUNCTIONS.............................................................................. 45
7.1 CALL PARK ............................................................................................................ 44
7.1.1 CALL PARK..................................................................................................... 44
7.1.2 RETRIEVING A PARKED CALL.................................................................... 44
7.1.3 PARKING LOCATION NUMBER................................................................... 44
7.2 CALL BACK ............................................................................................................ 44
7.2.1 CALL BACK IN CASE OF DIALING TO A STATION IN BUSY STATE ...... 44
7.2.2 CALL BACK IN CASE OF DIALING TO A STATION IN DND MODE OR NO
ANSWER ........................................................................................................ 44
7.3 ANSWERING A MESSAGE WAITING INDICATION........................................... 45
7.4 PICK-UP.................................................................................................................. 45
7.4.1 GROUP CALL PICK-UP................................................................................. 45
7.4.2 DIRECTED CALL PICK-UP............................................................................ 45
7.5 SYSTEM SPEED DIAL........................................................................................... 46
7.5.1 STORING SPEED DIAL NUMBERS ............................................................. 46
7.5.2 USING STATION SPEED BIN NUMBERS ................................................... 46
7.5.3 ERASING STATION SPEED BIN NUMBERS .............................................. 46
7.5.4 STORING SYSTEM SPEED BIN NUMBERS............................................... 46
7.5.5 USING SYSTEM SPEED NUMBERS ........................................................... 47

Table of Contents
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7.6 SYSTEM REDIAL ................................................................................................... 47
7.6.1 TO REDIAL SAVED NUMBER ...................................................................... 47
7.6.2 TO REDIAL LAST NUMBER.......................................................................... 47
7.6.3 SAVE A CURRENT NUMBER FOR LATER USE ........................................ 47
7.7 CALL FORWARD ................................................................................................... 48
7.7.1 TO CANCEL CALL FORWARD..................................................................... 48
7.8 DO NOT DISTURB(DND) ...................................................................................... 49
7.8.1 TO PROGRAM DO NOT DISTURB (DND)................................................... 49
7.8.2 TO CANCEL DO NOT DISTURB (DND) ....................................................... 49
7.9 AUTHORIZATION CODE....................................................................................... 50
7.9.1 TO REGISTER ACCESS AUTHORIZATION CODE.................................... 50
7.9.2 TO CHANGE ACCESS AUTHORIZATION CODE....................................... 50
7.10 TEMPORAL COS(CLASS OF SERVICE) CHANGE ......................................... 50
7.10.1 BLOCKING OUTSIDE CALLS ..................................................................... 50
7.10.2 RESTORING OUTSIDE CALLS .................................................................. 51
7.11 UNIVERSAL NIGHT ANSWER ........................................................................... 51
7.12 CALL WAIT VOICE OVER(CAMP-ON)............................................................... 51
7.13 ANSWERING A CALL WAIT WITH VOICE OVER............................................. 51
7.14 WAKE-UP CALL ................................................................................................... 52
7.14.1 TO REGISTER WAKE-UP CALL................................................................. 52
7.14.2 TO REGISTER WAKE-UP TIME ................................................................. 52
7.14.3 TO CANCEL WAKE-UP CALL..................................................................... 52
7.15 STEP CALL........................................................................................................... 52
7.16 PAGING ................................................................................................................ 53
7.16.1 TO PAGE....................................................................................................... 53
7.16.2 ANSWERING PAGING ................................................................................ 53
7.17 PROGRAMMING A NAME INTO DISPLAY ....................................................... 53
7.18 STATION PROGRAM RECOVERY .................................................................... 54
7.19 PRE-SELECTED MESSAGES ............................................................................ 54
7.20 PROGRAMMING USER CUSTOM MESSAGE ................................................. 55
7.21 FUNCTIONS RELATED WITH VMIB.................................................................. 55
7.21.1 DATE & TIME PROMPT:.............................................................................. 55
7.21.2 STATION NUMBER PROMPT..................................................................... 55
7.21.3 STATION STATUS PROMPT ...................................................................... 55
7.21.4 TO RECORD A GREETING......................................................................... 55
7.21.5 TO DELETE THE GREETING ..................................................................... 56
7.21.6 TO RECORD A PAGING MESSAGE.......................................................... 56
7.21.7 TO DELETE A PAGING MESSAGE............................................................ 56
7.22 DATE/TIME DISPLAY .......................................................................................... 56
7.23 LINKED STATION PAIRS.................................................................................... 56
Ⅷ .DECT FUNCTIONS............................................................................................ 58
8.1 MOBILITY MANAGEMENT FUNCTION ............................................................... 57
8.1.1 HAND-OVER................................................................................................... 57
8.1.2 RANGE OUT INDICATION ............................................................................ 57
8.1.3 AUTHENTICATION ........................................................................................ 57
8.2 WIRELESS TERMINAL SERVICE FUNCTION.................................................... 57
8.2.1 CRADLE ON AND OFF FUNCTION (CHARGER ANSWER FUNCTION) . 57
8.2.2 EAR MICROPHONE BUTTON FUNCTION.................................................. 57
Ⅸ .INSTALLATION OF WIRELESS TERMINAL................................................... 60
9.1 SYSTEM ID & AUTHENTICATION CODE ........................................................... 59
9.2 SUBSCRIPTION..................................................................................................... 60

Table of Contents
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9.3 DE-SUBSCRIPTION I ............................................................................................ 62
9.4 DE-SUBSCRIPTION II ........................................................................................... 63
9.5 AUTHENTICATION ................................................................................................ 64
9.6 CHANGE OF SUBSCRIBED SYSTEM................................................................. 64
Ⅹ .USEFUL INFORMATION................................................................................... 66
10.1 SYSTEM SPECIFICATION.................................................................................. 65
10.2 HAND-HELD TYPE WIRELESS TERMINAL (GDC-400H) SPECIFICATION .. 66
10.3 CHARGER(400-SSC) SPECIFICATION .......................................................... 66
TROUBLESHOOTING GUIDE............................................................................... 68
APPENDIX .............................................................................................................. 70
A. USER MENU TREE ................................................................................................. 69
B. FUNCTION SHORT-KEY TABLE ........................................................................... 70
C. THE LCD MESSAGES RELATED TO A CALL...................................................... 72

Important Safety Information
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Important Safety Information
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Important Safety Information
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Important Safety Information
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Important Safety Information
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Important Safety Information
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Ⅰ.Unpacking
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At first, make sure that you have all the parts shown below.
1. Handset
2. Base Unit
3. AC Adapter
4. Battery 2ea
5. Owner’s Manual
6. Belt Clip
Warning
This equipment is not designed for making emergency calls when the power fails.
Make alternative arrangements for access to emergency services.
1 2 3
4 5 6

Ⅱ.Phone Overview
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Descriptions of the important phone components
2.1 Front and Back View of Handset
1. Earpiece
2. Ring LED
3. Left Soft Button
4. Left Button
5. Talk Button
6. Flash/Clear Button
7. Call Back/Message Button
8. Microphone
9. LCD(LIQUID Crystal Display)
10. Up/Down Button
11. Right Soft Button
12. Right/Transfer/Internal Button
13. END/Power Button
14. Speed/Program Button
15. Battery Cover
16. Charging Terminal

Ⅱ.Phone Overview
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2.2 Description of Button
Button Function
[TALK]
 Try to make a call
 Redial number saved in handset.
[END/POWER]
 Pressing longer than 1 second : Power Off
 Pressing shorter than 1 second :Leave a call back or a message
 Pressing shorter than 1 second: Ignore an call during incoming.
[LEFT SOFT / RIGHT SOFT]
You can access to the current functions by pressing the soft button directly
below this symbol.
[FLASH/CLEAR]
 Talking Mode : Register recall
 Flash a call and retry next call
 When using pre-dial :
 Pressing longer than 1 second : All digits are cleared
 Pressing shorter than 1 second : 1 digit backspace
 When using local functional operation : Function cancel
(It should be pressed longer than 1 second)
[SPEED/PROGRAM]
 Post-Dial :
 Pressing shorter than 1 second : System speed dial(SPEED).
 Pressing longer than 1 second : Start/Finish a system program
(PROGRAM). Same as the FUNCTION button of GDC-345H.
[LEFT]
 In an idle state : To view missed call
In MENU : LEFT
[RIGHT/INTERNAL/TRANSFER/HOLD]
 Talking Mode :
 Pressing shorter than 1 second:Transfer a call to the other
station(TRANS).
 Pressing longer than 1 second:Hold a call / release a holding
call(HOLD).
 In an idle state :
 In MENU : right button
 Home DECT : Internal call
 Key-telephone DECT : Trying to make a intercom call or CO line
call

Ⅱ.Phone Overview
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Button Function
[CALL BACK]
 Pressing shorter than 1 second : Leave a call back or a message
[UP/DOWN]
 Talking Mode : Up / Down the level of Rx volume, Call by name, CLIP
 Standby Mode :
 In Menu: Navigate and select among function items in a menu or
submenu.
 No inputted state :
 UP : Local Redial
 DOWN : Phonebook list
 To lock Keypad (Pressing longer than 1 second)
 ‘#’ Display (Pressing shorter than 1 second)
 While Dialing : To insert pause
 Talking Mode (Only when the Camp-On function is supported by
ipLDK series) : Camp-On
 Standby Mode :
 ‘*’ is displayed (Pressing shorter than 1 second)
 Enable/disable manner mode(Pressing longer than 1 second)
0~9 - Standard dial button

Ⅱ.Phone Overview
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2.3 LCD Display
The LCD of GDC-400H GAP has 128 x 128 pixels that are capable to display 10 icons and 7
lines x 18 characters per line. The LCD shows different wireless states and displays visual
feedback for the actions performed by user.
Icon Description
[Antenna Icon & RSSI Icon ]
 The terminal is locked to a base station and the location
registration is finished.
 Location registration is finished. Even though user may make a
call or receive a call, may hear very severe noise. (Below –86dBm)
 User may make a call or receive a call and the may hear some
noise. (-85dBm~-80dBm)
 User may make a call or receive a call and the call quality is
normal. (-79dBm~-70dBm)
 User may make a call or receive a call and the call quality is good.
(Upper -69dBm)
[PHONE Icon]
Indicates that a traffic channel is established.
/ [EXTERNAL/INTERNAL CALL ICON]
Indicates that the call is from and to where. EXT is external and INT is internal.
[Manner MODE ICON]
Indicates that the phone mode is manner mode. In manner mode, all sound is
disabled and ring is replaced by vibration.
[MESSAGE ICON]
The icon indicates that the system has at least one new message for the wireless
terminal. The message information is updated every 3 minute. The disconnection
with the subscribed system makes impossible to update the message information
and the icon is disappeared. And if the wireless terminal is connected with the
system, this icon is displayed again on the LCD. If the station message is left, the
reserved call is made by using CALLBACK button and this icon will be
disappeared after the call. In case of voice message through VMIB, press
FLASH button to delete a message after checking the message. When all
messages are deleted, the message icon will be disappeared. Otherwise, this
icon will be still remained. Applicable message: VMIB message, CLI message,
Station message.
[KEY LOCK ICON]
Indicates that the phone is set to key lock mode.
[Alarm clock ICON]
Indicates that an alarm clock is set.

Ⅱ.Phone Overview
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2.4 Message Display
Message Description Display Duration
STA xxxx Station number Standby Mode
CALL FROM
STA xxxx
When a call is received from
intercom, it indicates a call paging
from station xxx
During ringing and until cutting
off a Call
CALL TO
STA xxxx
When a call is made to intercom, it
indicates a call paging to station xxx
During ringing and until cutting
off a Call
LN XXX
RINGING
When received from CO line, it
indicates a paging from CO line x
During ringing
HOLDING
STA xxxx
It indicates a call is holding. During holding or transferring a
call
LN XXX Connected CO line number During holding CO line
Message Description Display Duration
Range Out It indicates wireless terminal is out of
range or not yet synchronized with a
system.
During staying in out of range or
until completing synchronization
No Channel There is no available RF Channel During no channel
Silent Mode It indicates this terminal is in silent
mode
During silent mode
Direct call It indicates this terminal is in Direct
mode
During Direct mode
Keypad
Locked
It indicates keypad is locked While keypad is locked
0~9, *, #, P,
D, R
Local dialed digits
(P:Pause, D:Go to DTMF mode,
R:Flash)
During dialing
Message area from System
Local Message area of Phone

Ⅱ.Phone Overview
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2.5 Front and Back View of Base Unit
1 Charging terminal
Keep the charging terminal
clean; Use cotton swab to
remove stain from the
2 Charge / In use lamp
Illuminates when the handset is
on the base. Blinking when the
phone is in use.
1. Adapter jack
Connect the adapter to the base.

Ⅲ.Setting Up
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3.1 Installing the Battery
Before inserting the battery, make sure the polarity is in correct position.(See figure below) Then
close the battery cover and push upward until it clicks into place. When you replace the battery,
press the latch on the cover and slide down to open. After then replace the new battery. You
can purchase new battery in LG-Nortel SVC Center.
3.2 Put the Belt Clip into Handset
Note
When you remove a belt clip, please pay your attention
First, pull one side to remove easier.

Ⅲ.Setting Up
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3.3 Connecting the Charger
3.4 Charging the Handset
Please charge the battery for about 12 hours before initial use. The battery charge level is
shown at the top right of the LCD screen.
Display Icon Battery Status Description
Battery is empty
Need to be charged(Low)
Battery is partially charged(Medium)
Battery is fully charged(High)
Bat. Type Duration Full Charging Time
Talking Mode 15 hours
Standby Mode 150 hours
More than 20 hours
< Battery duration and charging time >
 Note
The battery has limited operating life and the period of warranty services for the battery is 6
months from purchasing date.
The LCD backlight is automatically turned off in the below low level to maximize time.
Warning
Use only the mains power adaptor
supplied. Any other adaptor could
damage your GDC-400H and invalid your
warranty
2. To AC OUTLET
1. Adapter